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<FONT color="green">001</FONT>    package edu.hawaii.myisern.model;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.FileWriter;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.IOException;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.logging.Handler;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.logging.Level;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.util.logging.Logger;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    /**<a name="line.10"></a>
<FONT color="green">011</FONT>     * Logs events.<a name="line.11"></a>
<FONT color="green">012</FONT>     * <a name="line.12"></a>
<FONT color="green">013</FONT>     * @author Randy Cox<a name="line.13"></a>
<FONT color="green">014</FONT>     */<a name="line.14"></a>
<FONT color="green">015</FONT>    public class Log {<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>      /** Path and filename for the event log. */<a name="line.17"></a>
<FONT color="green">018</FONT>      public static final String LOG_FILENAME = System.getProperty("user.home")<a name="line.18"></a>
<FONT color="green">019</FONT>          + "/.myisern/myisern.log";<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>      /** Verbose flag to send logging to standard out. */<a name="line.21"></a>
<FONT color="green">022</FONT>      public static boolean verbose = true;<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>      /** Severe only flag to send logging for errors only. */<a name="line.24"></a>
<FONT color="green">025</FONT>      public static boolean severeOnly = false;<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>      /** Stores logging variable. */<a name="line.27"></a>
<FONT color="green">028</FONT>      private static Logger log = null;<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>      /** Log file to write too. */<a name="line.30"></a>
<FONT color="green">031</FONT>      private static File logFile = null;<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>      /**<a name="line.33"></a>
<FONT color="green">034</FONT>       * Creates and initializes log.<a name="line.34"></a>
<FONT color="green">035</FONT>       */<a name="line.35"></a>
<FONT color="green">036</FONT>      private static void initialize() {<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>        // Create directory if not present.<a name="line.38"></a>
<FONT color="green">039</FONT>        File myIsernHome = new File(System.getProperty("user.home"), "/.myisern");<a name="line.39"></a>
<FONT color="green">040</FONT>        myIsernHome.mkdirs();<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>        // Set up logger<a name="line.42"></a>
<FONT color="green">043</FONT>        Log.log = Logger.getLogger("edu.hawaii.myisern.model");<a name="line.43"></a>
<FONT color="green">044</FONT>        Log.log.setUseParentHandlers(false);<a name="line.44"></a>
<FONT color="green">045</FONT>        Handler[] handlers = Log.log.getHandlers();<a name="line.45"></a>
<FONT color="green">046</FONT>        if (handlers.length == 0) {<a name="line.46"></a>
<FONT color="green">047</FONT>          Handler handler = new LogHandler();<a name="line.47"></a>
<FONT color="green">048</FONT>          Log.log.addHandler(handler);<a name="line.48"></a>
<FONT color="green">049</FONT>        }<a name="line.49"></a>
<FONT color="green">050</FONT>      }<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>      /**<a name="line.52"></a>
<FONT color="green">053</FONT>       * Clear log file.<a name="line.53"></a>
<FONT color="green">054</FONT>       * <a name="line.54"></a>
<FONT color="green">055</FONT>       */<a name="line.55"></a>
<FONT color="green">056</FONT>      public static void clear() {<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>        // Open log file for appending.<a name="line.58"></a>
<FONT color="green">059</FONT>        initialize();<a name="line.59"></a>
<FONT color="green">060</FONT>        logFile = new File(Log.LOG_FILENAME);<a name="line.60"></a>
<FONT color="green">061</FONT>        FileWriter fileWriter = null;<a name="line.61"></a>
<FONT color="green">062</FONT>        try {<a name="line.62"></a>
<FONT color="green">063</FONT>          fileWriter = new FileWriter(logFile, false);<a name="line.63"></a>
<FONT color="green">064</FONT>          fileWriter.flush();<a name="line.64"></a>
<FONT color="green">065</FONT>          fileWriter.close();<a name="line.65"></a>
<FONT color="green">066</FONT>        }<a name="line.66"></a>
<FONT color="green">067</FONT>        catch (IOException e) {<a name="line.67"></a>
<FONT color="green">068</FONT>          System.err.println("Log StandardHander.clear(): I/O error with log file:" + Log.LOG_FILENAME);<a name="line.68"></a>
<FONT color="green">069</FONT>        }<a name="line.69"></a>
<FONT color="green">070</FONT>      }<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>      /**<a name="line.72"></a>
<FONT color="green">073</FONT>       * Send message to be logged.<a name="line.73"></a>
<FONT color="green">074</FONT>       * <a name="line.74"></a>
<FONT color="green">075</FONT>       * @param message string to be logged.<a name="line.75"></a>
<FONT color="green">076</FONT>       */<a name="line.76"></a>
<FONT color="green">077</FONT>      public static void enter(String message) {<a name="line.77"></a>
<FONT color="green">078</FONT>        initialize();<a name="line.78"></a>
<FONT color="green">079</FONT>        if (!Log.severeOnly) {<a name="line.79"></a>
<FONT color="green">080</FONT>          Log.log.log(Level.INFO, message);<a name="line.80"></a>
<FONT color="green">081</FONT>        }<a name="line.81"></a>
<FONT color="green">082</FONT>      }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>      /**<a name="line.84"></a>
<FONT color="green">085</FONT>       * Send message to be logged.<a name="line.85"></a>
<FONT color="green">086</FONT>       * <a name="line.86"></a>
<FONT color="green">087</FONT>       * @param message string to be logged.<a name="line.87"></a>
<FONT color="green">088</FONT>       */<a name="line.88"></a>
<FONT color="green">089</FONT>      public static void error(String message) {<a name="line.89"></a>
<FONT color="green">090</FONT>        initialize();<a name="line.90"></a>
<FONT color="green">091</FONT>        Log.log.log(Level.SEVERE, message);<a name="line.91"></a>
<FONT color="green">092</FONT>      }<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>    }<a name="line.94"></a>




























































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